Search a number
-
+
11230321 = 47238943
BaseRepresentation
bin101010110101…
…110001110001
3210010120002211
4222311301301
510333332241
61040412121
7164312314
oct52656161
923116084
1011230321
116380563
123917041
13243287b
1416c497b
15ebc781
hexab5c71

11230321 has 4 divisors (see below), whose sum is σ = 11469312. Its totient is φ = 10991332.

The previous prime is 11230313. The next prime is 11230327. The reversal of 11230321 is 12303211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12303211 = 59208529.

It is a cyclic number.

It is not a de Polignac number, because 11230321 - 23 = 11230313 is a prime.

It is a super-2 number, since 2×112303212 = 252240219526082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11230327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119425 + ... + 119518.

It is an arithmetic number, because the mean of its divisors is an integer number (2867328).

Almost surely, 211230321 is an apocalyptic number.

It is an amenable number.

11230321 is a deficient number, since it is larger than the sum of its proper divisors (238991).

11230321 is an equidigital number, since it uses as much as digits as its factorization.

11230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238990.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11230321 is about 3351.1671101275. The cubic root of 11230321 is about 223.9395098675.

Adding to 11230321 its reverse (12303211), we get a palindrome (23533532).

The spelling of 11230321 in words is "eleven million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 47 238943 11230321